It’s a dedicated hacker who has the patience to build an engine from scratch. And it’s a borderline obsessed hacker who does it twice. [Meanwhile In the Garage] is of the second ilk, and in the video ...

A rotary fuel delivery valve just might help us get manned space flights out of our immediate neighborhood one day, and it could have practical terrestrial applications. A rotary fuel delivery valve ...

Manual rotary select valves let aircraft operators isolate hydraulic pressure from specific systems to permit ground maintenance of aircraft Manual rotary select valves let aircraft operators isolate ...

Each rotary airlock valve uses thick blade rotors, oversized shafts, outboard re-greaseable bearings, and gland type shaft seals designed for continuous operation. The valves maintain air seals while ...